body {
    margin: 0;
    color: #555;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    font-size: 15px; }

a {
    color: #555;
    text-decoration: none; }

input, textarea {
    border: 1px solid #ddeafb; }

input[type=submit],
input[type=button] {
    cursor: pointer; }

input {
    width: 17rem;
    box-sizing: border-box;
    padding: 0.9rem;
    outline: none;
    margin-bottom: 5px;
    border-radius: 5px; }

.hint {
    font-size: 12px;
    text-align: right;
    padding-right: 10px;
    margin-bottom: 15px;
    visibility: hidden; }

.right {
    border-color: #1dc091; }

.hint_right {
    color: #1dc091; }

.wrong {
    border-color: #EA5A70; }

.hint_wrong {
    color: #EA5A70; }

input[type=submit],
.button {
    display: block;
    margin: 0 auto;
    line-height: 20px;
    font-size: 20px;
    color: #fff;
    background: #0f88eb;
    border: 0; }

.lable {
    display: inline-block; }

.nav {
    width: 400px;
    height: 40px;
    margin: 0 auto;
    background: #0F88EB; }

.nav_left,
.nav_right {
    display: inline-block;
    vertical-align: top;
    box-sizing: border-box;
    width: 49%;
    height: 30px;
    line-height: 30px;
    font-size: 24px; }
.nav_left a,
.nav_right a {
    color: white; }

.nav_left {
    padding-left: 20px;
    text-align: left; }

.nav_right {
    padding-right: 20px;
    text-align: right; }

.number,
.time {
    display: inline-block;
    width: 50%; }

.time,
.msge {
    text-align: right; }

.msge a {
    color: #fb752d; }
